Switch it on, press SHIFT button then Mode/Setup button (top right corner) then press 2 to put it in LineIO mode. Tayeb Kazemi, www.geocities.com/tayeb_kazemi more...
Set the +43210F switch to + (or 2). On some models it is A43210F, then use A (or 2). + mode will let you enter numbers (monetary) without the decimal point and assumes cents; 2 more...
Ollivetti Adding machine model 7-186688 (appears to be from the 70's) We bought it off e-bay for a good price.. is that model suppose to keep a running more...
You can change the default angle unit setting as explained in Answer 1, above. Some models also support angle unit conversion, which lets you specify the angle unit as you input a value. The specified angle unit overrides the default more...