About Math Modes

TI-Nspire CX II handhelds perform calculations in one of three modes: Numeric, Exact Arithmetic, or Computer Algebra System (CAS).

Numeric mode supports results in terms of floating point numbers, integers, and stacked fractions only.

Exact Arithmetic mode supports results in terms of floating point numbers, integers, stacked fractions, p, e, radicals , and other constants such as ln(5) and sin(2).

CAS mode supports the same results as Exact Arithmetic as well as symbol manipulation such as x+x, and CAS functions such as symbolic factoring, solving equations, limits, and indefinite integration.

The math modes that are available will depend on which TI-Nspire CX II handheld model you have:

Handheld Model

Numeric

Exact Arithmetic

CAS

TI-Nspire CX II

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TI-Nspire CX II CAS

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TI-Nspire CX II-T

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TI-Nspire CX II-T CAS

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TI-Nspire CX II-C CAS

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1 CAS mode turned off

2 Exact Arithmetic mode turned off