def get_combinations(self, n, k):
tk.Label(self.master, text="", width="30").grid(row=4, column=2)
if (checkFloat(n) and checkFloat(k)):
result = choose(n, k)
tk.Label(self.master, text=result).grid(row=4, column=2)
else:
tk.Label(self.master, text="Only Numbers Allowed").grid(row=4,
column=2)
def calculate_pythagorean(self, a, b):
tk.Label(self.master, text="", width="15").grid(row=4, column=0)
tk.Label(self.master, text="", width="15").grid(row=4, column=1)
tk.Label(self.master, text="", width="15").grid(row=4, column=2)
if (checkFloat(a) and checkFloat(b)):
c = math.sqrt(((float(a)**2) + (float(b)**2)))
tk.Label(self.master, text="c:").grid(row=4, column=0)
tk.Label(self.master, text=c).grid(row=4, column=2)
else:
tk.Label(self.master, text="Enter Valid Values").grid(row=4,
column=1)
def get_percent(self, e1, e2):
tk.Label(self.master, text="", width="30").grid(row=4, column=4)
tk.Label(self.master, text="", width="30").grid(row=5, column=3)
if (checkFloat(e1.get()) and checkFloat(e2.get())):
result = str(float(e1.get()) / float(e2.get()) * 100.0) + "%"
result = shortenFloat(result, 5)
tk.Label(self.master, text=result).grid(row=4, column=4)
else:
tk.Label(self.master, text="Only Numbers Allowed").grid(row=5,
column=3)
def calculate_distance_between(self, x1, y1, x2, y2):
tk.Label(self.master, text="", width="20").grid(row=6, column=1)
if (checkFloat(x1) and checkFloat(y1) and checkFloat(x2)
and checkFloat(y2)):
x1, y1, x2, y2 = float(x1), float(y1), float(x2), float(y2)
distance = abs(math.sqrt(((x2 - x1)**2) + ((y2 - y1)**2)))
tk.Label(self.master, text=str(shortenFloat(distance,
6))).grid(row=6,
column=1)
else:
tk.Label(self.master, text="Enter Valid Values").grid(row=6,
column=1)
def calculate_grams_to_moles(self, mm, mass, moles):
tk.Label(self.master, text="", width="30").grid(row=6, column=1)
tk.Label(self.master, text="", width="15").grid(row=5, column=0)
tk.Label(self.master, text="", width="15").grid(row=5, column=2)
if (mm == "" or not checkFloat(mm)):
tk.Label(self.master, text="Enter Valid Values").grid(row=4,
column=1)
elif (checkFloat(mass)):
moles = float(mass) / float(mm)
tk.Label(self.master, text="Moles: ").grid(row=5, column=0)
tk.Label(self.master, text=moles).grid(row=5, column=2)
elif (checkFloat(moles)):
mass = float(moles) * float(mm)
tk.Label(self.master, text="Mass: ").grid(row=5, column=0)
tk.Label(self.master, text=mass).grid(row=5, column=2)
else:
tk.Label(self.master, text="Enter Valid Values").grid(row=6,
column=1)
def calculate_sphere_volume(self, r):
tk.Label(self.master, text="", width="20").grid(row=3, column=1)
if (checkFloat(r)):
volume = (4 / 3) * math.pi * (float(r)**3)
tk.Label(self.master, text=str(shortenFloat(volume,
8))).grid(row=3,
column=1)
else:
tk.Label(self.master, text="Enter Valid Value").grid(row=3,
column=1)
def calculate_cube_area(self, a):
tk.Label(self.master, text="", width=20).grid(row=3, column=1)
if (checkFloat(a)):
area = 6 * (float(a)**2)
tk.Label(self.master, text=str(shortenFloat(area,
7))).grid(row=3,
column=1)
else:
tk.Label(self.master, text="Enter Valid Value").grid(row=3,
column=1)
def get_doubling_time(self, e1):
tk.Label(self.master, text="", width="30").grid(row=4, column=2)
tk.Label(self.master, text="", width="30").grid(row=3, column=2)
if (checkFloat(e1.get())):
if (float(e1.get()) == 0):
tk.Label(self.master, text="Infinity").grid(row=3, column=2)
return
result = float(np.log(2.0)) / float(
np.log(1.0 + (float(e1.get()) / 100.0)))
result = shortenFloat(result, 5)
tk.Label(self.master, text=result).grid(row=3, column=2)
else:
tk.Label(self.master, text="Only Numbers Allowed").grid(row=4,
column=2)
def calculate_molality(self, moles, mass, molality):
tk.Label(self.master, text="", width="30").grid(row=6, column=1)
tk.Label(self.master, text="", width="15").grid(row=5, column=0)
tk.Label(self.master, text="", width="15").grid(row=5, column=2)
if (checkFloat(moles) and checkFloat(mass)):
molality = float(moles) / float(mass)
tk.Label(self.master, text="Molality: ").grid(row=5, column=0)
tk.Label(self.master, text=molality).grid(row=5, column=2)
elif (checkFloat(moles) and checkFloat(molality)):
mass = float(moles) / float(molality)
tk.Label(self.master, text="Mass: ").grid(row=5, column=0)
tk.Label(self.master, text=mass).grid(row=5, column=2)
elif (checkFloat(molality) and checkFloat(mass)):
moles = float(mass) * float(molality)
tk.Label(self.master, text="Moles: ").grid(row=5, column=0)
tk.Label(self.master, text=moles).grid(row=5, column=2)
else:
tk.Label(self.master, text="Enter Valid Values").grid(row=6,
column=1)
def calculate_percent_yield(self, theoretical, actual, percent):
tk.Label(self.master, text="", width="30").grid(row=6, column=1)
tk.Label(self.master, text="", width="15").grid(row=5, column=0)
tk.Label(self.master, text="", width="15").grid(row=5, column=2)
if (checkFloat(theoretical) and checkFloat(actual)):
percent = (float(actual) / float(theoretical)) * 100
tk.Label(self.master, text="Percent Yield: ").grid(row=5, column=0)
tk.Label(self.master,
text=str(shortenFloat(percent, 5)) + "%").grid(row=5,
column=2)
elif (checkFloat(theoretical) and checkFloat(percent)):
actual = float(theoretical) * (float(percent) / 100)
tk.Label(self.master, text="Actual: ").grid(row=5, column=0)
tk.Label(self.master, text=actual).grid(row=5, column=2)
elif (checkFloat(actual) and checkFloat(percent)):
theoretical = float(actual) / (float(percent) / 100)
tk.Label(self.master, text="Theoretical: ").grid(row=5, column=0)
tk.Label(self.master, text=theoretical).grid(row=5, column=2)
else:
tk.Label(self.master, text="Enter Valid Values").grid(row=6,
column=1)
def calculate_ppm_to_molarity(self, ppm, mm, M):
tk.Label(self.master, text="", width="30").grid(row=6, column=1)
tk.Label(self.master, text="", width="15").grid(row=5, column=0)
tk.Label(self.master, text="", width="15").grid(row=5, column=2)
if (checkFloat(ppm) and checkFloat(mm)):
M = (float(ppm) / 1000) / float(mm)
tk.Label(self.master, text="Molarity: ").grid(row=5, column=0)
tk.Label(self.master, text=shortenFloat(M, 6)).grid(row=5,
column=2)
elif (checkFloat(ppm) and checkFloat(M)):
mm = (float(ppm) / 1000) / float(M)
tk.Label(self.master, text="Molar Mass: ").grid(row=5, column=0)
tk.Label(self.master, text=shortenFloat(mm, 6)).grid(row=5,
column=2)
elif (checkFloat(mm) and checkFloat(M)):
ppm = (float(mm) * float(M)) * 1000
tk.Label(self.master, text="PPM: ").grid(row=5, column=0)
tk.Label(self.master, text=shortenFloat(ppm, 6)).grid(row=5,
column=2)
else:
tk.Label(self.master, text="Enter Valid Values").grid(row=6,
column=1)