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Enter a new password. Important Information Sample Operations Initializing the Calculator Safety Precautions Handling Precautions Removing the Hard Case Turning Power On and Off Adjusting Display Contrast Key Markings Reading the Display U sing Menus S pecifying the Calculation Mode C onfiguring the Calculator Setup In putting Expressions and V alues R ecurring Decimal Calculations T oggling Calculation Results B asic Calculations R emainder Calculations P rime Factorization F unction Calculations U sing CALC E quation Calculations EQN Scientific Constants Metric Conversion Calculation Ranges, Number of Digits, and Precision Before Assuming Malfunction of the Calculator Replacing the Battery Frequently Asked Questions Important Information.
S ample operations in this manual are indicated by a icon. Unle ss sp ecifically stated, all sample operations assume that the calculator is in i ts in itial default setup. P erform the following procedure when you want to initialize the calculator an d re turn the calculation mode and setup to their initial default settings. Note th at th is operation also clears all data currently in calculator memory. Safety Pr ecautions. Handling Pr ecautions.
A dead battery can leak, causing damage to and malfunction of the. Never leave a dead battery in the calculator. Do not try using the calculator while the battery is completely dead. Because of this, it may require replacement sooner than the normal expected battery life. Incompatibility between such batteries and product specifications can result in shorter battery life and product malfunction. Before using the calculator, slide its hard case downwards to remove it, and then affix the hard case to the back of the calculator as shown in the illustration nearby.
T ur ning Power On and Of f. P ress O to turn on the calculator. P ress 1A OFF to turn off the calculator. Y our calculator will turn off automatically if you do not perform any operatio n fo r about 10 minutes. If this happens, press the O key to turn the calculat or b ack on. Next, use d and e to adju st co ntrast. After the setting is the way you want, press A.
Im portant: If adjusting display contrast does not improve display readabilit y, it probably means that battery power is low. Replace the battery. P ressing the 1 or S key followed by a second ke y performs the alternate function of the second key. T he alternate function is indicated by the text printed a bove the key. T he following shows what the different colors of the alternate function key text mean. If key marking text is this color:. Purple or enclosed in purple brackets. Green or enclosed in green brackets.
Press 1 and then the key to access the applicable function. Press S and then the key to input the applicable variable, constant, or symbol. Reading the Display. The display of the calculator shows expressions you input, calculation results, and various indicators.
Use e and d to scroll the calculation result display. Use e and d to scroll th e input expression display. Note that if you want to scroll the input expressio n while both the ' and g indicators are displayed, you will need to press A first and then use e and d to scroll. T his i ndicator:. The keypad has been shifted by pressing the 1 key. The keypad will unshift and this indicator will disappear when you press a key.
The alpha input mode has been entered by pressing the S key. The alpha input mode will be exited and this indicator will disappear when you press a key. There is a value stored in independent memory. The calculator is standing by for input of a variable name to assign a value to the variable. This indicator appears after you press 1t STO. This indicator appears after you press t.
Important: For some type of calculation that takes a long time to execute,. The display currently shows an intermediate result of a multi-statement calculation. Pressing N or w , for example, will display a menu of applicable functions. The following are the operations you should use to navigate between menus. Use c and f to switch between menus. Specifying the Calculation Mode. W hen you want to perform this type of o peration:.
S tatistical and regression calculations. C alculations involving specific number s ystems binary, octal, decimal, h exadecimal. G enerate a number table based on one or t wo functions. Perform this key operation:. Next, use c and f and the number keys to configure the settings you want. Natural Display MthIO causes fractions,. MathO displays input and calculation results using the same format as they are written on paper.
LineO displays input the same way as MathO, but calculation results are displayed in linear format. Linear Display LineIO causes fractions and other expressions to be displayed in a single line. N ote: In this manual, the v symbol next to a sample operation indicat es d egrees, while the V symbol indicates radians. F ix: The value you specify from 0 to 9 controls the number of decim al pl aces for displayed calculation results.
Calculation results are rounded o ff to the specified digit before being displayed. S ci: The value you specify from 1 to 10 controls the number of significa nt di gits for displayed calculation results.
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