Tips for Beginners for the TI 89 Calculator

Operating System 2. Getting Started 2. The Green, Yellow & Purple Symbols 2. The Two Minus Keys 2. ... If the calculator is locked-up 4. To quickly move to the end of an expression 4. To reuse a previous entry 4. To highlight text 4. ... is a system variable. There is another way to define a function. 1(cos(x) STO( sec(x) defines a new function ... ................
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