Rewriting Expressions

To rewrite an expression in terms of elementary functions, select the function and either:

Then type a modifier, specifying the elementary functions to use in rewriting the expression, in the placeholder that appears, and press [Enter].

Modifiers:

The modifiers in the following table specify the elementary functions to use when rewriting the expression:

Modifier Expression Type Example
exp Exponential Rewriting sine in terms of exponentials
ln Natural Logarithm Rewriting asinh in terms of natural logarithm
log Logarithm Base 10

ln(7) rewrite , log → log(7)·log(10,e)

sincos Trigonometric Rewriting exponential expression in terms of sine
sinhcosh Hyperbolic Rewriting exp(x) in terms of hyperbolic sine and cosine

QuickSheet - Factoring and Expanding Expressions

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