Solution 35615: Replacing the Battery in a TI-36X Pro Scientific Calculator.
... Base Knowledge Base Search How do I replace the battery on the TI-36X Pro Scientific calculator? The TI-36X Pro calculator uses one 3-volt CR2032 lithium button cell battery. About replacing the button cell battery on a TI-36X Pro Scientific calculator: For safety purpo...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/35615
Solution 12278: Calculating Secant, Cosecant, and Cotangent Trigonometric Functions on the TI-30X IIS/B.
...ic calculators do not feature the secant, cosecant, or cotangent trigonometric functions as separate keys. The properties of trigonometric functions must be used to calculate measurements using the below inverse trig functions: csc(x) = 1/sin(x) sec(x) = 1/cos(x) cot(x) = 1/tan(x) The example b...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12278
Solution 40317: TI-30XS MultiView and TI-34 MultiView Scientific calculator battery information
...he battery on a TI-30XS Multiview and TI-34 MultView Scientific calculators. The TI-30XS MultiView™ and TI-34 MultiView scientific calculators both use one 3 volt CR2032 lithium button cell battery. About replacing the button cell battery on a scientific calculator: For safety purposes and to p...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/40317
Solution 40237: TI-30XII Solar and TI-30XII Battery displays Domain Error when Entering Certain Fractional Exponents.
...main error since they meet the restriction above: (-25)^(2/3) (-280)^(3/7) (-2)^(3/5) To workaround this limitation you can rewrite these functions using an identity x^(y/z) = z xRoot x^y: 3 xRoot (-25)^2 7 xRoot (-280)^3 5 xRoot (-2)^3 Please see the TI-30XIIS/B and TI-30XS MultiView guidebook...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/40237
Solution 12223: Calculating Mark-Up, Gross Profit Margin, and Percent Change on the TI-5018.
...edge Base Search How do I calculate the Mark-Up, Gross Profit Margin, and Percent Change on the TI-5018? The examples below will demonstrate using the Mark-Up key for calculations of mark-up, margin-up (or Gross Profit Margin), and percent change. Example: Using [MU] for Mark-Up: An ite...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12223
Solution 12297: Squaring Negative Numbers on Texas Instruments Scientific and Elementary Calculators.
...e Base Knowledge Base Search How do I square a negative number on my scientific or elementary calculator? These calculators use an Equation Operating System (EOS™), which evaluates from left to right, allowing the user to enter numbers and functions in a straightforward...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12297
Solution 10676: Turning Off The TI-1795 SV.
...ase Knowledge Base Search How can the TI-1795 SV be turned off? The TI-1795 SV does not have an off button. The calculator uses battery power as a backup in dim light, so that the calculator will always have some source of power during use. When not in use, the unit s...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10676
Solution 10681: Fraction Capabilities of the TI-10.
...c calculators Knowledge Base Knowledge Base Search Can I do fraction calculations on the TI-10? The TI-10 was designed for use in the lower grades, specifically kindergarten through grade 3. Since fractions are typically taught at higher grade levels, specific fraction ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10681
Solution 10687: Differences in the TI-30X and TI-30Xa.
...What are the differences between the TI-30X and TI-30Xa? The key difference between the TI-30X and TI-30Xa is that the TI-30Xa does not automatically use the [=] key as a constant. As requested by educators, it has a [k] key that will turn on the [=] key to be used as a constant. When the [k] key...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10687
Solution 10688: Replacing the Batteries In a TI-30Xa.
...o replace the battery by removing the back case of the calculator, but opening the back of the calculator voids the one-year, limited warranty. This must be done carefully, as TI is not responsible for any damage caused when you attempt to replace the battery. However, if your calculator is alrea...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10688
Solution 12321: Difference Between [ (-) ] and [ - ] Keys on Two Line Elementary and Scientific Calculators.
...lators? There are two keys on TI's two line scientific calculators that appear to be similar. The [(-)] is the negate key, which is often mistakenly used as the subtraction key. The negation key converts a positive number into a negative number for the purpose of a particular calculation. The [...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12321
Solution 10694: Clearing the Variable E on the TI-36X II.
...y of variable E on the TI-36X II? In addition to serving as a memory variable, variable E also stores a seed value to generate a random number when using the probability functions. The seed value changes randomly every time a random number is generated.Since the variable E is classified as a s...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10694
Solution 10702: Unexpected Results When Sin(Pi) Does Not Return Zero on the TI-68.
... The answer displayed when calculating p radians is an approximation of zero. When solving trigonometric functions, very sophisticated algorithms are used to calculate the most accurate answer possible. With this in mind, plus the fact that it uses a 13-digit approximation of the irrational numb...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10702
Solution 12225: Clearing DEG In The Display Of A Single Line Scientific Calculator.
...fic calculator? DEG (degrees) will remain on the display of the scientific calculator until the angle setting is changed.To change the angle setting, users will need to press [DRG] for RAD (radians) or GRADS (gradians).Please see the scientific calculator guidebooks for additional information. S...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12225
Solution 12238: Clearing a Stored Operation on the TI-15 Explorer™.
...following keystrokes will clear a selected stored operation on the TI-15 Explorer: • Press [Mode] [▼] [▼]. • The display will read "OP1 CLEAR OP2". • Use either [◄] or [►] to select an operation. • With the cursor under the operation that is to be cleared, press [Enter]. The selected "OP" indicat...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12238
Solution 19109: Converting Fractions to Decimals on the TI-36X II.
...I convert fractions to decimals on the TI-36X II? The below examples demonstrate how to convert fractions to decimals and vice versa on the TI-36X II:Use the [A b/c] key to enter fractions. Use [2nd] [Ab/cd/e] to convert mixed numbers to simple fractions, and vice versa. [2nd] [FD] converts from ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/19109
Solution 12250: Calculating a Hyper Geometric Probability Distribution on the TI-30X IIS/B.
... {C(3, 1) *C(12-3, 4-1)}/C(12, 4) The values will be input into the TI-30X IIS/B as follows: 1) Input [(] [(] [3]. 2) Press [PRB]. 3) Scroll to nCr using the directional arrows. (There will be a line under nCr indicating that function is selected) 4) Press [ENTER]. 5) Input [1] [)] [(] [9]. 6) ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12250
Solution 26450: Changing the +/- sign of an answer on the TI-30X IIS and TI-30X IIB.
...ors Knowledge Base Knowledge Base Search How do I change the +/- sign of an answer on the TI-30X IIS/B? The [+/-] key was used on the TI-30Xa calculator to change an answer from a positive number to a negative number. This key is not present on the TI-30X IIS or the T...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/26450
Solution 28631: Performing One-Variable Statistics on the TI-30XA.
...h How do I solve for one variable statistics on the TI-30XA? The following example will demonstrate how to calculate one-variable statistics using the TI-30XA.For example: Find the sum, mean, population standard deviation, and sample standard deviation for the data set: 6,4,5,7,10Input t...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/28631
Solution 12255: Converting Degrees/Minutes/Seconds (DMS) to Decimal Format on the TI-30X IIS/B and TI-30XS/TI-30XB MultiView™ Scientific Calculators.
...demonstrate how to convert a number in degrees/minutes/seconds (DMS) to decimal format and vice-versa. Example: Convert 78° 12' 2" to a decimal. If using a TI-30X IIS/B calculator: 1) Input the value 78, then press the [° ' "] key. 2) Move the cursor under the ° symbol, then press [=]. 3) Inpu...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12255
Solution 33351: Generating Random Numbers and Random Integers on a TI-36X Pro Scientific Calculator.
...a TI-36X Pro? The rand command generates a random real number between 0 and 1. The randint( command generates a random integer between 2 integers. To use the rand command: 1) Press [2nd] [random]. 2) Press [1] [enter]. To generate a random integer between 1 and 100 using the randint( command: 1) ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33351