Leonardo da Vinci's Calculator.
Device for Calculation - An early version of today's complicated calculator, Leonardo's mechanism maintains a constant ratio of ten to one in each of its 13 digit-registering wheels. For each complete...
View ArticleThe residence calculator tell you that you did not meet the residence...
The residence calculator tell you that you did not meet the residence requirement for canadian citizenship then what is the next step.
View ArticleI have an Adler 121PD Calculator and the 1st column to the left of the period...
Is there anything I can do to correct this situation?
View Articleis there a difference between a casio graphic calculator and a ti83 or 84...
The teacher wont let any one use the school ti 84 calculators due to one missing and dont have the money for one. My son need it for geomentry with graphs, sin, cos, tan. Please can anyone help?
View Articlewhy won't my HR-100TM Calculator print or feed the tape through?
I bought this calculator in April of '09. It is a Casio HR-100TM and for the first few months it worked fine. Now it will not print, nor feed the tape through the machine. What can I do to fix the...
View ArticleMy HP50G calculator does not switch on.
The calculator is practically brand new. I purchased it in September 2009. It was switched off during the December vacation. When I attempted to switch it on again in January it did not switch on. I...
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