Sharp EL-9900 Operation Manual page 17

Menu keys (Function of these keys may vary between basic and advanced mode.)
M:
S:
P:
z:
Advanced Mode specific keys
V:
m:
':
g:
Scientific Calculation keys (See each chapter for details.)
Basic Mode specific keys
Q / / / < / >:
i:
%:
Advanced Mode specific keys
s / c / t / s / c / t:
l / I / 0 / @:
Enter the Math menu with additional mathematical functions.
Enter the statistics menu.
Enter the programming menu.
Enter the menu for calculator specific variables.
Converts hexadecimal, decimal, octal and binary numbers or
solves systems of linear equations, finds roots for quadratic and
cubic equations.
Enter menu for matrix functions
Enter screen and menu for Solver features
Enter menu for financial solver and functions
Fraction calculation keys
Integer division and remainder calculation keys
Percentage calculation key
* In Advanced mode, you can access above functions from
CATALOG menu.
Trigonometric function keys
Logarithm and exponential functions.
Chapter 1: Getting Started
7