[0]~ [ 9] [00] :Nume ral key s
[.] :Dec imal po int key
[+] :A dd key
[-] :S ubtra ct key
[×] :M ultip licat ion key
[÷] :D ivisi on key
[=] :E qual ke y
[%] :P ercen t key
[MS] :M emory s ubtot al reca ll key
[MT] :M emory t otal cl ear key
[M+] :M emory p lus key
[M-] : Memor y minus k ey
[D/# ]:Date /Numb er key pr int key
[ ] :Pap er feed k ey
[ /S] :Su btota l key
[C/C E] :Cle ar last c alcul ation /Clea r last en try
[ ]:Back s pace ke y
[+/- ] :Inve rts sig n of the di splay ed numb er at
Key en try
[TAX+] o r [TAX-] :TAX+ Cal culat es the am ount, u sing th e
stor ed rate , and add s it to the o rigin al
pric e befor e tax
:TAX- Ca lcula tes the a mount o f tax
to be de ducte d (usin g the sto red tax
disp layed v alue to f ind the p re-ta x
sale s amoun t
: Prin ts TAX / Incl uded TAX (TAX =3)
A TAX+ = A(3/1 00)
= A+(A( 3/100 ))
: Prin ts TAX / excl uded TAX( TAX=3)
A TAX- = A - A (1+3/100 )
= A / (1+3/1 00)
[∆%] : Print s diffe rence ( Compu tes the %
of cha nge bet ween tw o value s)
A ∆% B = B - A
= (B - A) / A
A ∆% B +/- = - ( B + A)
= - (B + A) / A
[*/T ] : Total ke y