Excel is a spread sheet calculator													
													
A FORMULA:    =3.14*A2						area of a circle: P=pi*radius^2					cuboid: V=abc    S=2ab+2ac+2bc		
													
	input	output									a=	24.4	cm
											b=	12.2	cm
	45	0.505617978									c=	6.1	cm
	3	44											
	98.6	9.92975327									S=	1041.88	cm2
											V=	1815.848	cm3
##### Sheet/List 2 #####
Prepare a simple calculator of value added tax in Greece.												
Replace data in columns G-L with FORMULAS.												
"to check correctness of rows, compare your values to http://www.calkoo.com/?lang=3&page=8"												
												
Greece Value Added Tax 												
												
"From July 1, 2010 VAT in Greece is 23%, compared to the previous 21% rate."												
"There is a reduced rate of 13% that applies, in the main, to food, medicines. The V.A.T rate for hotel accommodation, books and newspapers is 6.5%."												
												
												
												
												
	calculation of											
	V.A.T.		price (a 1)	qty		price	23	13	6.5	%	TOTAL	
						without tax		TAX			price	
		bread	3.10	1		3.10		0.40			3.50	
		coffee	21.98	1		21.98		2.86			24.84	
		coke	3.30	1		3.30		0.43			3.73	
		newspaper	1.50	1		1.50			0.10		1.60	
		cigarettes	6.25	2		12.50	2.88				15.38	
		ouzo	12.12	3		36.36	8.36				44.72	
												
						78.74	11.24	3.69	0.10		93.76	EUR