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Question posted by amytouhey on October 14th, 2020

Calculator Not Functioning Correctly

Hello, How do you reset the BA-35 Solar calculator? The buttons on my calculator don't seem to be functioning correctly and I keep seeing an 'error' which isn't very legible. Is my calculator broken?Thank you, Amy

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Answer #1: Posted by INIMITABLE on October 14th, 2020 12:13 PM

INIMITABLE

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Greetings - The instrument's Quick Reference Guide available on the link below in pdf may assist on the issue -http://www.helpowl.com/manuals/Texas%20Instruments/BA35/41746Hope this helps

I hope this is helpful? PLEASE "ACCEPT" and mark it "HELPFUL" to complement my little effort. Hope to bring you more detailed answers

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Related Texas Instruments BA-35 Manual Pages

Quick Reference Guide - Page 1

BA-35 Solar Quick Reference Guide Table of Contents General Information 2 The Display 4 Arithmetic Operations 6 Correcting Errors 7 Display Formats 8 Memory Operations 9 Math Operations 10 Percentage Calculations 12 Percentage Change Calculations 13 Margin and Markup Calculations 14 Compound Interest Calculations 16 Annuity Calculations 18 Converting to EFF or APR 23 Balance, Interest...

Quick Reference Guide - Page 2

... operations, and values in sequence. Indicators in three different modes. Changing to perform special functions. The calculator turns off automatically when the solar cell panel is displayed. STAT displays for statistics, FIN for profit margin mode. 2-Changes the calculator to light. General Information Turning the Calculator On and Off u (All Clear/On)-Turns on the...

Quick Reference Guide - Page 3

..., and the memory and mode registers. Pressing u also sets the calculator to perform the "second" functions that are marked over some of the mode registers. 3 Second Functions 0 (Second Function)-Enables you to floating-decimal format and financial mode. - (Clear Entry/Clear)-Clears incorrect entries, error conditions, the display, or pending operations. If you press 0, 2nd...

Quick Reference Guide - Page 4

... a maximum of -period payments. (Displayed only in the financial mode.) (continued) 4 The calculator computes annuities as beginning-ofperiod payments rather than end-of 13 digits. Display Indicators Indicator 2nd FIN STAT Begin Meaning The calculator will access the second function of the next key pressed (appears when you press 0). Note: No indicator displays...

Quick Reference Guide - Page 6

.... To enter a negative number, first enter the number as a positive value and then press @. A (Decimal Point)-Enters a decimal point. @ (Change Sign)-Changes the sign of a calculation. 6 l (Equals)-Completes all pending operations and displays the result of the number in the display. Arithmetic Keys p, o, n, m-Perform the arithmetic operations of 10 digits and...

Quick Reference Guide - Page 7

... number if you can often correct an immediate function by mistake, you have not yet pressed an operation key (p, o, n, m, etc.). Correcting Immediate Functions You can correct the operation by pressing 0 k. 7 To clear all pending operations and begin the calculation again, press - then enter the correct number. Correcting Errors Correcting Entry Errors - (Clear Entry/Clear)-To clear...

Quick Reference Guide - Page 8

...too small to a power (exponent). If a result has fewer than the selected number of a calculation is displayed in the normal format, it on. If a result has more than the selected number ...167; To remove the fixed-decimal setting and restore floating-decimal format, press 0 c A. The calculator is always in floating-decimal format when you to set the number of decimal places displayed in ...

Quick Reference Guide - Page 9

... in memory, press @ (to change the sign of numbers to the contents of the calculator. Use s 0 P to display the total. t (Sum)-Adds the displayed numeric value to the memory, use... the memory in any mode. Then use the calculator's memory to store the first number (thereby replacing any previous value). To subtract the displayed value...

Quick Reference Guide - Page 10

... multiplying the number by the number. 0 ] (Square)-Raises the displayed number to a power. 2. To calculate a power: 1. Enter the number (y) that completes the operation. 10 Enter the power (x). 4. Math Operations 0 \ (Reciprocal)-Calculates the reciprocal of the calculator. otherwise, an error condition occurs. Press 0 H. 3. The number can be positive or zero; Press l or any value...

Quick Reference Guide - Page 11

... e = 2.718281828459) of the displayed number. This is equivalent to the value of the number in the display. 11 Enter the root (x). 4. Calculates the natural antilogarithm of the displayed number. To calculate a root: 1. Enter the number (y) whose root you want to the power of e raised to find. 2. Press 0 \. 5. The number must be positive...

Quick Reference Guide - Page 12

...-ons, discounts, and percentage ratios. Operation Percentage Add-On Discount Percentage Ratio Key Sequence n n E l p n E l o n E l m n E l Function Calculates n% of the principal amount and subtracts the result from the principal. Calculates n% of the principal amount. Divides the principal amount by n%. 12 Calculates n% of the principal amount and adds the result to the principal.

Quick Reference Guide - Page 13

... Change Calculations 0 4 (Percent Change)-Calculates the percentage change is calculated by the formula: New value - If the result is negative, there is a percentage increase. Enter the new value. 2. Press l. Old value Old value x 100 If the result is positive, there is a percentage decrease. 13 The percentage change between two values. Press 0 4. 3. To calculate the...

Quick Reference Guide - Page 14

..., selling price, gross profit margin, or markup, use 2 to set the calculator to recall the value for the value you want to recall. If the percentage is positive, the selling price is greater than the cost. 1 (Computation ...

Quick Reference Guide - Page 15

... and use 2 to enter the profit margin mode (no display indicator). 2. Performing Gross Profit Margin Calculations To calculate cost, selling price, or markup: 1. Press 1 and the key (or key sequence) for the...1 and the key for the unknown value. 15 Performing Markup Calculations To calculate cost, selling price, or gross profit margin: 1. Enter the two known values (CST, SEL, or MAR)....

Quick Reference Guide - Page 16

... has a value other than zero, the calculator treats the problem as an annuity (a series of a future amount. Compound Interest Keys In compound interest calculations, the following keys are used to be..., FV represents what your money is assumed to enter or calculate the values listed below. I-Percent interest per compounding period. C-Total number of a present amount....

Quick Reference Guide - Page 18

...the answer. Ordinary annuities have beginning-of-period payments. 0 a (Beginning-of-Period)-Sets the calculator to compute for annuity-due problems (beginning-of -period payments; Pressing 0 a causes Begin to ...-of-period function is in effect until you cancel it (by pressing 0 a again) or leave the financial mode. § When Begin is in the display, the calculator solves using end...

Quick Reference Guide - Page 21

... the unknown value: 1. Ensure that the calculator is set correctly for the unknown value. Press 1 and the key for the type of the five values (N, % i, PV, PMT, or FV). Press 0 b to clear the registers, and use unrealistic values, the calculator may take several minutes before indicating an error condition. Note: Generally, solving for the...

Quick Reference Guide - Page 22

The two steps above have the same effect as entering the number of Monthly Payments)- Annuity Calculations (Continued) Special Functions for Monthly Compounding or Payment Periods 0 h (Monthly Interest)-Divides the number in the display by 12 and displays the result. The two steps above have ...

Quick Reference Guide - Page 35

... u to clear the condition and all pending operations; Financial Error Conditions In the financial mode, errors occur when you: § Calculate a financial unknown before you press - The calculator will not accept a keyboard entry until you have entered enough known variables or when no solution exists. 35 press u to the power of zero. § Press a key...

Quick Reference Guide - Page 37

Observation Display is blank; A function does not seem to finish. An error occurs. Wait for the correct mode- Be sure the calculator is set to correct the problem with the solutions suggested in the table below. floating decimal or fixed decimal. Be sure the solar power cells are performing the calculation correctly. 37 If you experience difficulties other than...