u Tkey set
Tapping the Tkey displays keys for inputting trigonometric functions, and changes the
Tsoftkey to I. You can tap this key to toggle between Tand the default 9
keyboard. Tapping the = (hyperbolic) key switches to a key set for inputting hyperbolic functions. Tap the = key again to return to the regular Tkey set.
←= →
u - key set
Tapping the - key displays keys for inputting differential and integral calculus expressions, permutations, etc., and changes the - softkey to I. You can tap this key to toggle between - and the default 9keyboard.
Tip
•Tapping the key inputs the “solve” function, while tapping the key inputs the “dSolve” function. See pages
•For information about each of functions or symbols, see
u K key set
Tapping the K key displays keys for inputting “<”, “≠”, and other special operators, and changes the K softkey to I. You can tap this key to toggle between K and the default
9keyboard.
Tip
•Tapping the key inputs the “rSolve” function. See page
•For information about each of the functions and symbols, see
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