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Summary of Contents for Sight Enhancement Systems sci-plus 300 series
- Page 1 Owner's manual talking scientific calculator How to perform scientific, statistical and trignometric calculations with your Sci-Plus calculator.
- Page 2 Alternate wall adapter plugs can be provided for most countries – please contact Sight Enhancement Systems if you need a different plug for your country.
- Page 3 Basic Operations Turning the Calculator On and Off To turn the calculator on, press the [ O/I ] key. The calculator starts in display mode with all memory cleared, the angle units set to degrees, and the display shows “0”. To turn the calculator off, press the [2 Followed by [O/I] key.
- Page 4 Function Instructs calculator to perform the second ] function of the next key that is pressed (the function in yellow text on the key). Backspace key deletes one entry at a time. It can be used to clear an entire entry by repeated delete actions.
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Page 5: The Display
Selecting speech mode On start-up the calculator is set to display mode. To select speech mode press [2 ] followed by The calculator will now speak all keystrokes and the results on the display. The volume can be controlled by pressing the up and down arrow buttons to the right of the display. - Page 6 Indicator Meaning The displayed number has a negative value “–“ The [2 ] key has been pressed. The next key “[2 ]” that is pressed will perform the function in yellow text on the key. Angle units are set to degrees. “D”...
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Page 7: Scientific Notation
Scientific Notation When using scientific notation, numbers are expressed as a mantissa multiplied by 10 to an exponential power (exponent). Entering a Number in Scientific Notation Enter the mantissa. If it is negative, use the [+/-] key to change the sign. Press [EE]. Two zeros will appear on the right side of the display. - Page 8 Correcting Entry Errors At any point during a calculation, you can press [ O/I ] to clear all calculations, including any erroneous entries, and start all over. You can also use the [ ] key to delete single digit entries. Clearing an Error Condition The display shows “E”...
- Page 9 Basic Functions Function [+], [-], Perform addition, subtraction, multiplication, and division [×],[÷] Example: 13 [x] 2 [+] 4 [=] gives 30 Example: 9 [÷] 3 [-] 1 [=] gives 2 Completes all pending operations Changes the sign (positive or negative) [+/-] Example: 6 [+/-] [+] 8 [=] gives 2 Function...
- Page 10 Function Raises the displayed number (y) to the power x. Example: 7 [y ] 3 [=] gives 343 [(] [)] Operations in parentheses are given priority over operations outside parentheses. Up to 3 levels of parentheses can be entered. Pressing [=] closes any open parenthetical expressions Example: 20 [÷] [( ] 2 [+] 3 [ )] [=] gives 4 Function...
- Page 11 Function [LOG] Calculates the common logarithm (to the base 10) of the displayed number. Example: 1000 [LOG] gives 3 Calculates the natural logarithm (to base e) [LN] of the displayed number. Example: 3 [LN] gives 1.0986122 Calculates the natural antilogarithm (to base ] [e e) of the displayed number.
- Page 12 Function [+] n [%] [=] Adds n% to the displayed number. Example: 11 [+] 10 [%] [=] gives 12.1 [-] n [%] [=] Subtracts n% from the displayed number Example: 11 [-] 10 [%] [=] gives 9.9 [x] n [%] [=] Multiplies the displayed number by n%.
- Page 13 Using the memory The calculator’s memory can store data as long as the calculator is turned on. You can store a number in memory for repeated use in a calculation or to keep a running total. Function [STO] Stores the displayed number in memory, re- placing any previously stored number Example: 15 [STO] [x] 2 [=] gives 30 (and stores 15 in memory indicated by “M”...
- Page 14 Function [EXC] Swaps the number in memory with the displayed number. The displayed number is stored, and the previously stored number is displayed. (Assuming that 19 now is stored in memory) Example: 2 [x] 6 [=] gives M 12. [EXC] displays M [EXC] displays M Note: Pressing [ O/I ] will not clear the memory.
- Page 15 Function p[+][K] Adds “p” to each subsequent entry. p[-][K] Subtracts “p” from each subsequent entry. p[x][K] Multiplies each subsequent entry by “p”. Divides each subsequent entry by “p”. p[÷][K] ” Raises each subsequent entry to power “p ][K] √y][K] Takes root “p” of each subsequent entry. After storing the constant (K), you can complete each new repeated calculation by simply entering the new number and pressing [=].
- Page 16 Function [DRG] Sequentially changes the angle units (as noted on the display – D, R or G). However, does not affect the displayed angle value. ] [DRG Changes the angle unit setting and converts the displayed value to its equivalent value for the new units. Example: 30 D (degrees) 30 ] [DRG ] gives R (radians) 0.5235987...
- Page 17 Degree Format Conversion An angle measured in degrees, minutes and seconds (DMS) must be converted to decimal degrees (DD) before it can be used in a calculation. Degrees, Minutes and Seconds (DMS) DMS angles are entered in D.MMSSsss format: Degrees (º) – 0 to 8 digits Decimal point separator Minutes (') –...
- Page 18 Decimal Degrees (DD) DD angles are entered in a D.ddddddd format. Degrees (º) Decimal point separator ddddddd Fractional part of a degree. Example: 28.775º is entered as 28.775. Converting Angles Sci – Plus 300 calculator converts angle measurements from DMS to DD by pressing [2 ] [>DD] and DD to DMS by [2 ] [>DMS]...
- Page 19 Rectangular-to-Polar Conversions Pressing [2 ][R > P] converts rectangular coordinates (x,y) θ to polar coordinates (r, Example: Convert the rectangular coordinates (10,8) to polar coordinates. Sequence Keystroke Display Enter x and y 10 [2 y] 8 Value of θ ][R >⎜P] 12.806248 Value of r 38.659808...
- Page 20 Statistical Functions Sci - Plus 300 can perform statistical analysis on one- variable data. Function Enters the displayed number as a data [∑+] point in the statistics register. Removes the displayed number from the ] [∑−] statistics register. Function ] [x] Calculates the mean of the entered data set.
- Page 21 Function Calculates the variance using n -1 ][σn-1] weighting (for the sample data). Calculates the sum of the entered data ] [∑x] points. Clears all data points from the statistics ][CSR] register and the “STAT” indicator. Example: Analyse the following test scores (88,72,56,77, 91). Assume that these five students are the entire population.
- Page 22 Warranty and Service Sci – Plus 300 Your new Scientific Calculator has been built by Sight Enhancement Systems to provide years of reliable service. If your calculator should cause problems for any reason please contact us by Tel: 519 883-8400 or Fax: 519 883-8405 or by Email to: service@sightenhancement.com...
- Page 23 Once a fault has been confirmed we will provide a Return Material Authorization (RMA) number and the procedure for repair. We will require the serial number from the label on the base of the calculator, and a brief description of the problem. It is important that you do not return the calculator to the factory without a Return Authorization.
- Page 24 sight enhancement systems 60 Bathurst Drive, Unit #17 60 Bathurst Drive, Unit #17 Waterloo, Ontario Canada N2V 2A9 Waterloo, Ontario Canada N2V 2A9 Tel - (519) 883-8400 Fax - (519) 883-8405 Tel - (519) 883-8400 Fax - (519) 883-8405 www.sightenhancement.com www.sightenhancement.com...
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