calculator/initrd/table

ppos(0, 0)
array(table, 1)

index = 0
while (1) {
	c = getkey()
	# down
	if (c == 25) {
		rpos(0, 1)
		index = index + 1
	}
	# up
	if (c == 24) {
		rpos(0, -1)
		if (index > 0) {
			index = index - 1
		}
	}
	# right - insert
	if (c == 26) {
		print("          ")
		rpos(-10, 0)
		print("> ")
		table.index = getf()
		ppos(0, index)
		print(index)
		print(": ")
		print(table.index)
		print("         ")
		index = index + 1
		ppos(0, index)
	}
	# plus - sum
	if (c == 43) {
		s = size(table)
		j = 0
		sum = 0
		while (j < s) {
			sum = sum + table.j
			j = j + 1
		}
		ppos(0, 17)
		print("                    ")
		ppos(0, 17)
		print("sum: ")
		print(sum)
		ppos(0, 0)
		index = 0
	}
	# * - product
	if (c == 42) {
		s = size(table)
		j = 0
		product = 1
		while (j < s) {
			product = product * table.j
			j = j + 1
		}
		ppos(0, 17)
		print("                    ")
		ppos(0, 17)
		print("product: ")
		print(product)
		ppos(0, 0)
		index = 0
	}
	# / - average
	if (c == 47) {
		s = size(table)
		j = 0
		sum = 0
		while (j < s) {
			sum = sum + table.j
			j = j + 1
		}
		average = sum / size(table)
		ppos(0, 17)
		print("                    ")
		ppos(0, 17)
		print("average: ")
		print(average)
		ppos(0, 0)
		index = 0
	}
}