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      MSH! Classes - Your Computer's Calculator


Your Computer's Calculator  
  
 

    This is not a chain-logic calculator and not a scientific calculator. It has features of each of these.

    This page serves as an itroduction to the machine and to mathematical ideas listed below.

    A reference table and examples are also provided.

calculator
    NOTES:
  • No points have been marked on these pages for BREAKs. Decide for yourself when to break.
  • On these pages the "Calculator Button" links you to the picture above so that you may see the placement of the calculator keys as you review their use.
  • Keep both notes open and your calculator open.


Reference List  
  
  calculator
Memory Status
-- If "M" is displayed, the memory hold a nonzero value.
-- If the display is empty, the number 0 is stored.
 
[MC], Store 0 in Memory
1st: Type the desired number onto to the calculator screen
2nd: Press [MS] for Store in Memory
 
[MR], Recall the Memory
-- Press [MR] to display on the calculator screen, but continue to store, the number stored in memory
 
[MS], Store the Entry in Memory
1st: Type the desired number onto to the calculator screen
2nd: Press [MS] for Store in Memory
 
[M+], Add the Entry to the Memory
1st: Type the desired number onto to the calculator screen
2nd: Press [M+] to add it to the number store in memory
calculator
[Backspace]
-- A as on a keyboard, when typing onto the screen this will remove the last digit or decimal
 
[CE], Clear Entry
-- Removes the number displayed on the calculator screen
 
[C], Clear Everything But Not the Memory
-- Clears all computation in progress via the calculator screen
 
[+], Add two numbers
-- enter [first addend] [+] [second addend] [=], to yeild the sum
 
[-], Subtract two numbers
-- enter [minuend] [-] [subtrahend] [=] , to yield the difference
 
[*], Multiply
-- enter [first factor] [*] [second factor] [=], to yield the product
 
[/], Divide
-- enter [dividend] [/] [divisor] [=], to yield the quotient
    Example #1: Twelve divided by three, 12 ÷ 3
      [12][/][3][=] 4
 
 
[=], Equals OR State Result
-- completes a binary computation, such as addition or division
-- engages the constant computation feature, as in an exponentiation
calculator
[sqrt], Square Root
-- enter [number], press [sqrt], to yeild the root
    Example #1: the square root of 25,
      [25][sqrt], 5
 
[%], Percent of
-- enter [base] [*] [rate] [%], to yield the percentage
    Example #1: 80 percent of 10, 80% of 10
      [10][*][80][%], 8
 
[1/x], Reciprocal
-- enter [number], press [1/x], to yeild the sum
    See examples.
 
[+/-], Opposite
-- enter [number] [+/-], to yeild opposite
    See examples.


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