def calc(request):
value = ''
if request.method == 'POST':
calc = Calculator()
expr = request.POST['expr']
value = calc.evalString(expr)
return render(request, 'calculator.html', {'value': value})
def step_impl(context):
calc = Calculator()
context.answer = calc.evalString(context.expr)
def step_impl(context, expr2):
calc = Calculator()
context.answer2 = calc.evalString(expr2)
def step_impl(context):
calc = Calculator()
context.answer = calc.evalString(context.expr)
def step_impl(context, expr2):
calc = Calculator()
context.answer2 = calc.evalString(expr2)
