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Radio Shack EC-4004 User Manual

Radio Shack EC-4004
39 pages
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Radio Shack EC-4004 Specifications

General IconGeneral
TypeScientific
DisplayLCD
Power SourceBattery
FunctionsTrigonometric, Logarithmic, Statistical
Power2 x LR44

Summary

Chapter 1 YOUR CALCULATOR

Chapter 2 ADDITION, SUBTRACTION, MULTIPLICATION AND DIVISION

Calculations With Parentheses

Using parentheses to control the order of operations in calculations.

Overflow Or Error Condition

Understanding and resolving calculation errors or display limitations.

Chapter 4 SHORTCUTS

Chapter 5 USING THE FUNCTION KEYS

Chapter 6 STATISTICAL CALCULATIONS

Standard Deviations And Arithmetic Means

Calculating statistical measures like mean and standard deviation.

Regression Analysis

Performing linear, logarithmic, exponential, and power regressions.

Chapter 7 PROGRAMMING - Storing Mathematical Procedures

Using the LRN Mode

Entering and managing programs using the Learn mode.

Chapter 8 INTEGRALS

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