Tool menus, @gPERIOD, @gVARS, @Vn Base/System/Poly

			Appendix

Functions	Syntax	Keystrokes		Page
Commands	Syntax			Page
Commands		Advanced mode	Basic mode


	Irr(initial investment, list of following collected	B07
Irr(	investment [, frequency list] [, assumed revenue	B07		190
	rate])

Bal(	Bal(number of payments [, decimal place to	B08		191
	round])
∑Prn(	∑Prn(initial number of payments, end number of	B09		191
	payments [, decimal place to round])
∑Int(	∑Int(initial number of payments, end number of	B10		191
	payments [, decimal place to round])
→Apr(	→Apr(effective interest rate, number of	B11		192
→Apr(	settlements)	B11		192
	settlements)

→Eff(	→Eff(nominal interest rate, number of	B12		192
→Eff(	settlements)	B12		192
	settlements)

days(	days(start month. day year, end month. day year)	B13		192
days(	days(day month. year, day month. year)	B13		192

@gPERIOD
PmtEnd	No arguments	C1		188

PmtBegin	No arguments	C2		188

@gVARS
N	No arguments	D1		193

I%	No arguments	D2		193

PV	No arguments	D3		193

PMT	No arguments	D4		193

FV	No arguments	D5		193

P/Y	No arguments	D6		193

C/Y	No arguments	D7		193

12. TOOL menus

Functions	Syntax	Keystrokes		Page
Commands	Syntax			Page
Commands		Advanced mode	Basic mode


@VN BASE/SYSTEM/POLY
NBASE	No arguments	AE		81

2	No arguments	B2		82

3	No arguments	B3		82

4	No arguments	B4		82

5	No arguments	B5		82

263

EL-9900 specifications

The Sharp EL-9900 is a remarkable scientific calculator that exhibits a fusion of advanced features, cutting-edge technology, and an ergonomic design tailored for both students and professionals. One of the standout characteristics of the EL-9900 is its extensive range of functions, boasting over 550 built-in calculations that cover various mathematical and scientific disciplines. This calculator is particularly popular among engineering and physics students due to its ability to handle complex calculations with ease.

One of the key features of the EL-9900 is its 2-line display, which allows users to view both the input and the result simultaneously. This dual display enhances usability, especially when dealing with intermediate steps in calculations. The calculator also includes a built-in 12-digit LCD screen, which ensures clarity and precision in reading numbers, making it easier for users to work for extended periods without straining their eyes.

The EL-9900 is equipped with a wide array of mathematical functions, including trigonometric, logarithmic, and exponential functions. Notably, it supports fraction calculations, statistical analyses, and unit conversions. Its advanced programming capabilities, such as 36 programmable functions and the ability to store data, further enhance its functionality, allowing users to create custom calculations tailored to specific needs.

One of the more modern technologies incorporated into the EL-9900 is its solar-powered function, which is complemented by a battery backup, ensuring that the device remains operable in varied lighting conditions. This environmentally friendly design reduces the need for frequent battery replacements, making it a cost-effective choice for users.

In terms of design, the Sharp EL-9900 boasts a slim profile and lightweight construction, which makes it portable and easy to carry. Its durable casing ensures that it can withstand the rigors of daily use, whether in a classroom setting or a professional environment.

Overall, the Sharp EL-9900 stands out as a versatile scientific calculator packed with features designed to meet the needs of students and professionals alike. Its robust functionality, clear display, and user-friendly design make it a reliable tool for anyone engaged in mathematical and scientific pursuits. Whether used for basic calculations or advanced problem-solving, the EL-9900 remains a powerhouse in the realm of scientific calculators.

Sharp EL-9900 operation manual Tool menus, @gPERIOD, @gVARS, @Vn Base/System/Poly

Models: EL-9900

@gPERIOD

@gVARS

12. TOOL menus

@VN BASE/SYSTEM/POLY

EL-9900 specifications